Adoption, without amendment, of Sections 141, page 270, and 219, pp 489-495 of "Standard methods for the Examination of Water and Wastewater" 13th Edition 1971, prepared and published jointly by - American Public Health Association; american Water Works Association; & Water Pollution Control Federation (USA).
DIRECTIVE OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL amending Council Directive 80/181/EEC on the approximation of the laws of the Member States relating to units of measurement
Directive of the European Parliament and of the Council on Radio Equipment and Telecommunications Terminal Equipment and the Mutual Recognition of Their Conformity
Minimum Requirements for Improving the Safety and Health Protection of Workers Potentially at Risk from Explosive Atmospheres (15th Individual Directive within the Meaning of Article 16(1) of Directive 89/391/EEC)
